J65el02Machine/src/main/java/net/brokenmoon/Emulator.java

package net.brokenmoon;

import com.simon816.j65el02.Bus;
import com.simon816.j65el02.Cpu;
import com.simon816.j65el02.device.Memory;
import com.simon816.j65el02.device.RedBus;
import com.simon816.j65el02.device.RedBusState;

import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.file.Paths;

public class Emulator {

    private RedBus bus;
    public Cpu cpu;
    private Memory ram;

    public Emulator(RedBus bus) {
        this.bus = bus;
        cpu = new Cpu();
        cpu.setBus(new Bus(bus));
        ram = new Memory(0x0000, 0x4000, new RedBusState());
        try {
            ram.loadFromFile(Paths.get(Main.class.getResource("/rpcboot.bin").toURI()), 0x400, 0x100);

        } catch (IOException e) {
            throw new RuntimeException(e);
        } catch (URISyntaxException e) {
            throw new RuntimeException(e);
        }
        cpu.getBus().addDevice(ram, cpu.redBusState);
        cpu.reset();
        ram.write(0, 2, cpu.redBusState);
        ram.write(1, 1, cpu.redBusState);
        System.out.println("Emulator made");
    }

    public RedBus getBus() {
        return bus;
    }

    public void setBus(RedBus bus) {
        this.bus = bus;
    }

    public boolean isWaitingOnInterrupt(){
        return cpu.isWaitingForInterrupt();
    }

    public void setWaitingOnInterrupt(){
        cpu.assertIrq();
    }

    public void step() {
        this.cpu.step();
        this.cpu.getBus().update(cpu.redBusState);
    }
}